โค้ดXNA ครั้งที่1

using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;
using Microsoft.Xna.Framework.Net;
using Microsoft.Xna.Framework.Storage;

namespace WindowsGame1
{
/// <summary>
/// This is the main type for your game
/// </summary>
public class Game1 : Microsoft.Xna.Framework.Game
{
GraphicsDeviceManager graphics;
SpriteBatch spriteBatch;
Texture2D ball;
Texture2D ball2;
Texture2D ball3;
Texture2D background;
SpriteFont font1;
Vector2 ballpos;
Vector2 ballspeed;
int currentcolor;

public Game1()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
}

/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// TODO: Add your initialization logic here

//3บรรทัดล่างนี้ ปรับขนาดจอให้เป็น 640x480
// graphics.PreferredBackBufferWidth = 640;
// graphics.PreferredBackBufferHeight = 480;
// graphics.ApplyChanges();

ballpos.X = 20;
ballpos.Y = 10;
ballspeed.X = 10;
ballspeed.Y = 10;

base.Initialize();
}

/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);

// TODO: use this.Content to load your game content here
ball = Content.Load<Texture2D>("ball-red");
ball2 = Content.Load<Texture2D>("ball-blue");
ball3 = Content.Load<Texture2D>("ball-green");
currentcolor = 1;

background = Content.Load<Texture2D>("background1");
font1 = Content.Load<SpriteFont>("freesiaupc");
}

/// <summary>
/// UnloadContent will be called once per game and is the place to unload
/// all content.
/// </summary>
protected override void UnloadContent()
{
// TODO: Unload any non ContentManager content here
}

/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
this.Exit();

// TODO: Add your update logic here
if ((ballpos.X < 0) || (ballpos.X > Window.ClientBounds.Width - 64))
{
ballspeed.X *= -1;
currentcolor++;
}
if ((ballpos.Y < 0) || (ballpos.Y > Window.ClientBounds.Height - 64))
{
ballspeed.Y *= -1;
currentcolor++;
}
if (currentcolor > 3) currentcolor = 1;
ballpos.X += ballspeed.X;
ballpos.Y += ballspeed.Y;

base.Update(gameTime);
}

/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.CornflowerBlue);

// TODO: Add your drawing code here
spriteBatch.Begin();
http://spriteBatch.Draw(background, Vector2.Zero, Color.White);
//บรรทัดล่างนี้สร้างbackground ให้ติดขอบจอ
spriteBatch.Draw(background, new Rectangle(0, 0, Window.ClientBounds.Width, Window.ClientBounds.Height), Color.White);
http://spriteBatch.Draw(ball, Vector2.Zero, Color.White);
if (currentcolor == 1) spriteBatch.Draw(ball, ballpos, Color.White);
if (currentcolor == 2) spriteBatch.Draw(ball2, ballpos, Color.White);
if (currentcolor == 3) spriteBatch.Draw(ball3, ballpos, Color.White);

spriteBatch.DrawString(font1, @"Goldenpig มาแล้วนะเด็กน้อย", new Vector2(10, 10), Color.YellowGreen);
spriteBatch.End();

base.Draw(gameTime);
}
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;
using Microsoft.Xna.Framework.Net;
using Microsoft.Xna.Framework.Storage;

namespace WindowsGame1
{
/// <summary>
/// This is the main type for your game
/// </summary>
public class Game1 : Microsoft.Xna.Framework.Game
{
GraphicsDeviceManager graphics;
SpriteBatch spriteBatch;
Texture2D ball;
Texture2D ball2;
Texture2D ball3;

Texture2D background;

Texture2D bar;
Texture2D brick1;
Texture2D brick2;
Texture2D brick3;

SpriteFont font1;
Vector2 ballpos;
Vector2 ballspeed;

Vector2 barpos;

int currentcolor;

int[,] block;//สร้างArray2มิติชื่อblock
const int noblock = 0;
const int block1 = 1;
const int block2 = 2;
const int block3 = 3;


public Game1()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
}

/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// TODO: Add your initialization logic here

//3บรรทัดล่างนี้ ปรับขนาดจอให้เป็น 640x480
// graphics.PreferredBackBufferWidth = 640;
// graphics.PreferredBackBufferHeight = 480;
// graphics.ApplyChanges();

block = new int[6,3];
block[0, 0] = block3;
block[1, 0] = block1;
block[2, 0] = block2;
block[3, 0] = block2;
block[4, 0] = block1;
block[5, 0] = block3;
for (int i = 0; i <= 5; i++)
{
block[i, 1] = block2;
block[i, 2] = block3;
}

ballpos.X = 20;
ballpos.Y = 300;
ballspeed.X = 5;
ballspeed.Y = 5;

barpos.X = 300;
barpos.Y = 550;


base.Initialize();
}

/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);

// TODO: use this.Content to load your game content here
ball = Content.Load<Texture2D>("ball-red");
ball2 = Content.Load<Texture2D>("ball-blue");
ball3 = Content.Load<Texture2D>("ball-green");

bar = Content.Load<Texture2D>("bar");
brick1 = Content.Load<Texture2D>("brick1");
brick2 = Content.Load<Texture2D>("brick2");
brick3 = Content.Load<Texture2D>("brick3");

currentcolor = 1;

background = Content.Load<Texture2D>("background1");
font1 = Content.Load<SpriteFont>("freesiaupc");
}

/// <summary>
/// UnloadContent will be called once per game and is the place to unload
/// all content.
/// </summary>
protected override void UnloadContent()
{
// TODO: Unload any non ContentManager content here
}

/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
this.Exit();

// TODO: Add your update logic here
if ((ballpos.X < 0) || (ballpos.X > Window.ClientBounds.Width - 64))
{
ballspeed.X *= -1;
currentcolor++;
}
if ((ballpos.Y < 0) || (ballpos.Y > Window.ClientBounds.Height - 64))
{
ballspeed.Y *= -1;
currentcolor++;
}
if (currentcolor > 3) currentcolor = 1;
ballpos.X += ballspeed.X;
ballpos.Y += ballspeed.Y;

UpdateInput();//เกี่ยวกับปุ่ม


base.Update(gameTime);
}

/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>

private void UpdateInput()
{
KeyboardState newState = Keyboard.GetState();

// Is the Arrow key down?
if (newState.IsKeyDown(Keys.Left))
{
barpos.X -= 7; if(barpos.X<0) barpos.X=0;
}
if (newState.IsKeyDown(Keys.Right))
{
barpos.X += 7;
if(barpos.X > Window.ClientBounds.Width - 128)barpos.X = Window.ClientBounds.Width - 128;
}

}

protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.CornflowerBlue);

// TODO: Add your drawing code here
spriteBatch.Begin();
http://spriteBatch.Draw(background, Vector2.Zero, Color.White);
//บรรทัดล่างนี้สร้างbackground ให้ติดขอบจอ
spriteBatch.Draw(background, new Rectangle(0, 0, Window.ClientBounds.Width, Window.ClientBounds.Height), Color.White);
//สร้างbarตามตำแหน่งที่กำหนดไว้
spriteBatch.Draw(bar, barpos, Color.White);

//draw brick
for (int e=0; e<=2;e++)
for (int i = 0; i <= 5; i++)
{
switch (block[i, e])
{
case noblock: break;
case block1: spriteBatch.Draw(brick1,
new Vector2(i * 128, e * 64), Color.White);
break;
case block2: spriteBatch.Draw(brick2,
new Vector2(i * 128, e * 64), Color.White);
break;
case block3: spriteBatch.Draw(brick3,
new Vector2(i * 128, e * 64), Color.White);
break;
}
}

http://spriteBatch.Draw(ball, Vector2.Zero, Color.White);
if (currentcolor == 1) spriteBatch.Draw(ball, ballpos, Color.White);
if (currentcolor == 2) spriteBatch.Draw(ball2, ballpos, Color.White);
if (currentcolor == 3) spriteBatch.Draw(ball3, ballpos, Color.White);

spriteBatch.DrawString(font1, @"Goldenpig มาแล้วนะเด็กน้อย", new Vector2(10, 10), Color.YellowGreen);
spriteBatch.DrawString(font1, @"X="+(int)(ballpos.X/128)+" Y="+(int)(ballpos.Y/64),new Vector2(10, 50), Color.White);
//เช็คตำแหน่งการชนระหว่าง ball กับ block
Vector2 ballblock;
ballblock.X = (int)(ballpos.X / 128);
ballblock.Y = (int)(ballpos.Y / 64);

if ((ballblock.X >=0) && (ballblock.X <=5) &&
(ballblock.Y >=0) && (ballblock.Y <=2))
{
if (block[(int)ballblock.X, (int)ballblock.Y] != noblock)
{
block[(int)ballblock.X, (int)ballblock.Y] = noblock;
ballspeed.Y *= -1;
}
}
if ((barpos.X - 64 < ballpos.X) && (ballpos.X < barpos.X + 128))
{
if (ballpos.Y > barpos.Y - 64)
{
ballspeed.Y *= -1;
}
}

spriteBatch.End();

base.Draw(gameTime);
}
}
}